FAQs(EN) - U2W (Carlinkit 1.0/2.0/3.0/4.0)-Version1.2

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Quality Guarantee and Service for Carlinkit

  1. Does the product have quality assurance?

    In order to provide the best installation suggestions and after-sales service for your car, It is recommended that you choose to buy from carlinkitcarplay.com first. All products sold have been tested and provide an after-sales guarantee. We will give priority to providing one-to-one service for customers who place orders on our site. For products purchased on other websites(e.g., Aliexpress, Amazon, Ebay), we will not be able to guarantee product quality and after-sales service.

  2. How to enjoy product after-sales service?

    We offer service for items purchased from carlinkitcarplay.com. If you buy Carlinkit products from other websites(e.g., Aliexpress, Amazon, Ebay), please seek help from other sellers first. You can also refer to our FAQ, but the products purchased from other websites may be different from ours, and our FAQ may not apply to products purchased on other websites.


1. How to confirm whether your vehicle is compatible with our products?

2. How can I get my phone connected and use wireless CarPlay?

3. How do I change the language settings after connecting the dongle?

4. How do I reset my product?

5. About System Backend Setting.

6. How can I upload the log?

7. What should I do when I connect the dongle to the car but it shows a black screen?

8. Voice or multimedia sounds have delayed problems.

9. What can I do if Google Maps or Waze delays while navigating?

10. Dongle Connection Problem.

11. Online firmware update tutorial.

12. Offline firmware update tutorial.

13. Order Tracking.

14. How to upload the logs on Carlinkit 4.0 (U2W Plus) by your phone?

15. When I use wireless Android auto with Carlinkit 4.0, does this device allow you to adjust the display to use the entire screen?

16. How to change the Name of the Device from e.g.TOYOTA-XXX to another Name?

17. How to change the dongle video resolution of the car?


1. Your vehicle must be equipped with Wired CarPlay and come with a standard USB port.

2. Carlinkit 3.0 is only available for iPhone running ios 10+. Carlinkit 4.0 is compatible with both iPhone and Android smartphones.

3. Please read our vehicle compatible list carefully before purchasing the product. If your vehicle is not on the compatible list, please purchase it with caution:https://carlinkitcarplay.com/collections/wireless-carplay-dongle/products/carlinkit-wireless-adapter-for-factory-carplay

Our adapter has WiFi and Bluetooth hardware. It connects with Bluetooth and sends the WiFi credentials to the phone, then disconnects from the Bluetooth network. It works solely on WiFi from that point on.

1. Plug the iPhone (running IOS 10 or newer) directly into the car via a USB cable and check whether Carplay is displayed on the car screen.

2. If there is a CarPlay icon in the car stereo menu, your car has a built-in Wired CarPlay.

3. To see if your vehicle is included in the vehicle compatibility list on our product's page, please click here to check:


 4. Contact your car dealer for help.

1. Performance

Version Carlinkit 2.0 is with 5.8G HZ certification module, has higher adaptability for 98% of vehicle models.

Carlinkit 3.0 is just the code name of a software update version.

Currently, Carlinkit 2.0 and Carlinkit 3.0 are the same. It only supports iPhone for Carplay.

Carlinkit 4.0 is an upgraded version of Carlinkit 3.0. It is compatible with both iPhone and Android smartphones.

2. Appearance

Version 2.0 is with indicator light design, which 1.0 does not. 

The cables and adapters of version 2.0 are detachable, while version 1.0 is integrated and undetachable.Carlinkit 3.0 is available in black and white. Carlinkit 4.0 is navy blue.

Carlinkit2.0/ 3.0 works on all iPhone 6 and above, IOS 10 and above version.

Carlinkit 4.0 is compatible with both iPhone (iPhone 6 and above, IOS 10 and above version) and Android smartphones (Android 9.0 and above, some require Android 11.0 and above version, e.g. Huawei).

No difference. Black and white are just different colors of products.

The built-in devices of all vehicles are the same.

Yes, it comes with instructions.

You can use either phone, but if you have both in the car, it will connect to the last paired phone.

Nope! After you set it up, your phone will pair with it autosomally as soon as you start the car every time.

When your car is powered off you can see the device light indicator is off, you can pretty much sure it won‘t drain the battery of your car. 

Google maps work with CarPlay. Whatever apps you use for android or apple that works with CarPlay would work as well.

 As long as you leave the application open, it connects immediately when you get in the car.  

You can lock your phone while it is connected to the device.

All buttons work just like the original car system in our carlinkit 3.0  

The phone will not charge if it's not connected to the USB port or placed on a wireless charger. This is a product that allows you to wirelessly play CarPlay. If you have CarPlay on your head unit, this allows it to play wirelessly. And plugging in the USB on the other end of the cable of the Carlinkit so you can still use it for other things (charging, radar, etc.).

The backup camera can show up on the screen when you are parking


This is a product that allows you to wirelessly play CarPlay. If you have CarPlay on your head unit, this allows it to play wirelessly.


You can use wireless connect through wifi or use wired connect by cable option.


You can have more phones in the device memory, but only one at a time will work. if several phones are paired with the device and whoever is using the car, the device connects with the nearby phone.

The phone battery does not seem to drain any faster than normal. Also, you can plug in a charger that will allow your phone to stay at a high battery volume. 

This is a problem with communication protocol. BMW's head unit system is not unified with other car's head unit systems, so there is no way to be compatible. All BMW's wireless converters are always separate, and they are not suitable for adapters of other models. 

If you still have any questions, please feel free to contact us and provide us with your order number. Thank you.